AudioTool is a comprehensive audio measurement application designed for audio engineers and enthusiasts. This app features an SPL (Sound Pressure Level) meter with RT60, Leq, Sone, Spectrum Analyzer, Spectrogram, Chart Recorder, Signal Generator, Polarity Checker, and Mic calibration functionalities.

The app supports multiple octave RTA modes, various filters, and signal types, making it suitable for professional audio analysis in different environments such as gigs, home theaters, and automotive acoustics. With its advanced calibration options and compatibility with external microphones, AudioTool ensures accurate measurements tailored to your device's specifications.

AudioTool stands out with its extensive range of features tailored for detailed audio analysis. The app offers 1/1, 1/3, 1/6, and 1/12 octave RTA modes, along with Leq, Sones, and RT60 measurements, catering to both wideband and octave-specific needs.

Additional functionalities include a spectrogram, waterfall display, peak frequency detection, and impulse response analysis. The integrated signal generator supports various waveforms and noise types, while the polarity checker and loudspeaker phase detection tools ensure correct audio setup. Advanced users can benefit from customizable settings like Hann windowing, sample length adjustment, and ISO 1/3 Octave Calibration.

AudioTool provides an extensive suite of audio measurement and generation tools, forming a comprehensive music library that caters to audio engineers and enthusiasts alike. The application includes features such as RT60, Leq, Sone, Spectrum Analyzer, Spectrogram, Chart Recorder, Signal Generator, Polarity Checker, and Mic calibration.

With its rich array of functionalities, AudioTool ensures the authenticity of its content by offering industry-standard measurements and calibrations. Exclusive ISO 1/3 Octave Calibration corrects for your phone's microphone response, ensuring accurate and reliable readings that match external meter standards.

Users benefit from access to a wide range of saved spectra, noise criteria, and signal types which can be utilized for gig measurements, home theater calibration, acoustics testing, and more. This vast library supports popular devices like Dayton Audio iMM-6 and MicW i436, enhancing compatibility and reliability.

The depth of AudioTool's music library not only lies in the number of features but also in the regular updates and improvements made to the app. Recent updates have introduced new functionalities such as phase swapping for stereo signals, customizable resolutions, and additional octave modes, enriching the user experience and maintaining high standards of copyright authenticity.

AudioTool stands out in the realm of audio applications with its superior audio quality options. It offers various filters including Flat & A/C Weighting and film industry X Curve, alongside averaging capabilities that ensure precise and adaptable audio measurements tailored to different environments and requirements.

The app's Signal Generator is a testament to its commitment to audio quality, producing White and Pink Noise, Sine, Square, Triangle, and Ramp waves, as well as Sine Linear and Log Sweeps, Warbles, and Impulses. These signals are generated using multiple cycled buffers refreshed randomly, guaranteeing truly random noise output.

For users, this means they can rely on AudioTool for accurate frequency responses across most of the audio range, although some artifacts may occur depending on the cellphone used. The typical frequency accuracy of the Signal Generator is around 1%, providing good sine wave fidelity.

Moreover, AudioTool's dedication to quality extends beyond just technical specifications; it encompasses an active community where feedback is welcomed, and continuous improvements are made based on user input. This collaborative approach ensures that AudioTool remains at the forefront of audio technology, delivering top-notch audio quality options to its users.